CN106972653A - Motor and its outer magnetic core, inner magnetic core - Google Patents
Motor and its outer magnetic core, inner magnetic core Download PDFInfo
- Publication number
- CN106972653A CN106972653A CN201610025031.1A CN201610025031A CN106972653A CN 106972653 A CN106972653 A CN 106972653A CN 201610025031 A CN201610025031 A CN 201610025031A CN 106972653 A CN106972653 A CN 106972653A
- Authority
- CN
- China
- Prior art keywords
- motor
- magnetic core
- connecting portion
- pole
- central part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
- H02K21/16—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/15—Mounting arrangements for bearing-shields or end plates
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Motor Or Generator Cooling System (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The present invention relates to a kind of motor, including magnetic core (21) and motor inner magnetic core (53) outside the motor that can be relatively rotated.Some teeth (23) that the outer magnetic core (21) of motor includes the yoke portion (22) of ring-type and inwardly stretched out from yoke portion (22), each tooth (23) has tooth body and the pole shoe (24) stretched out from tooth body end towards both sides.The pole shoe (24) of some teeth surrounds a discontinuous inner ring.Motor inner magnetic core (53) is surround by inner ring.Motor inner magnetic core (53) includes central part (54) and some pole portions (56) being looped around on the outside of central part (54), and the gap existed between each pole portion (56) and central part (54) is used to load permanent magnet.Connected, be connected between central part (54) and first connecting portion (58) by second connecting portion (59) by first connecting portion (58) between consecutive roots portion (56).Compared with prior art, present invention optimizes motor core, the power output of motor is improved.
Description
【Technical field】
The present invention relates to machine field, more particularly, to magnetic core, motor inner magnetic core outside motor and motor.
【Background technology】
The stator and/or rotor of motor generally have magnetic core, and magnetic core is made up of soft magnetic materials, for conduct magnetic field,
Strengthen magnetic field.The construction of magnetic core is relevant with the power characteristic of motor.Motor producer all optimizes motor core always
More preferably performance parameter, such as output power of motor are obtained to obtain.
【The content of the invention】
It is an object of the invention to improve the power output of motor.
Therefore, the invention provides a kind of motor, including magnetic core and magnetic in motor outside the motor that can be relatively rotated
Core.The outer magnetic core of the motor includes：The yoke portion of ring-type；Some teeth inwardly stretched out from the yoke portion, each
Tooth has tooth body and the pole shoe stretched out from tooth body end to tooth body both sides, and the pole shoe of some teeth surrounds one
Individual discontinuous inner ring；The diameter ID of the inner ring and the external diameter OD in the yoke portion ratio 0.45 to 0.65
Between.The motor inner magnetic core is surround by the inner ring, including：Central part；If around the central part
Dry pole portion, consecutive roots portion is to be spaced apart, and there is gap between each pole portion and central part is used to load permanent magnet；
Some first connecting portions, each first connecting portion is connected between the portion of two pole；And some second connecting portions,
Each second connecting portion is connected between corresponding first connecting portion and central part.
As the preferred scheme of the present invention, the outer magnetic core of the motor is as motor stator, in the motor
Magnetic core is used as rotor.
As the preferred scheme of the present invention, the motor also includes the first end cap, the second end cap and company
Fitting, first end cap and the second end cap are respectively installed to the two ends of the outer magnetic core of the motor；Described second
There is end cap the open tubular column of axial direction to reach in the winding slot formed between the tooth of the outer magnetic core of the motor；The company
Fitting passes through the through hole of the open tubular column and first end cap and the second end cap is fastened into magnetic outside the motor
The two ends of core.
As the preferred scheme of the present invention, the rotating shaft of motor is provided with air flow-producing device, the air-flow
Generation device forms air-flow in motor operation, and the air-flow flows through the outer magnetic core of the motor and motor inner magnetic core
Between air gap.
As the present invention a preferred scheme, the outer surface in some pole portions on same periphery,
The outer surface of the first connecting portion is outside the periphery.
As the present invention a preferred scheme, the outer surface in some pole portions on same periphery,
The corresponding electrical angles of central angle θ in each pole portion are between 110 degree to 150 degree.
As the preferred scheme of the present invention, the corresponding electrical angles of central angle θ in each pole portion are at 120 degree
To between 135 degree.
As the preferred scheme of the present invention, the length D of the first connecting portion is the length of second connecting portion
Spend D 3 to 6 times.
As the preferred scheme of the present invention, the length D of the first connecting portion is the length of second connecting portion
Spend D 4 to 5 times.
As the preferred scheme of the present invention, the first connecting portion and second connecting portion are all bandings, the
Two connecting portions are connected to the middle part of the first connecting portion to form T-shaped with the first connecting portion.
As the preferred scheme of the present invention, the diameter ID of the inner ring is the external diameter OD in the yoke portion
0.5 to 0.58 times.
As the preferred scheme of the present invention, the radial width W in the yoke portion is the peripheral width of the tooth body
Spend W 0.45 to 0.65 times.
The motor of the preferred embodiment of the present invention has higher power output, so as to be that motor has higher work(
Rate density.
Below in conjunction with drawings and Examples, the invention will be further described.
【Brief description of the drawings】
Fig. 1 is the schematic diagram for the motor that one embodiment of the invention is provided；
Fig. 2 is the elevational schematic of motor shown in Fig. 1；
Fig. 3 is the cross-sectional schematic diagram of motor shown in Fig. 1；
Fig. 4 is the schematic diagram for the motor inner magnetic core that motor shown in Fig. 1 is used；
Fig. 5 is the magnetic circuit distribution schematic diagram of motor shown in Fig. 1；
Fig. 6 is the magnetic circuit density curve of the air gap between stator and rotor under magnetic circuit shown in Fig. 5 is distributed；
Fig. 7 is the schematic diagram for the end cap that motor shown in Fig. 1 is used.
【Embodiment】
Referring to figs. 1 to Fig. 3, in a preferred embodiment, the motor 20 that the present invention is provided include stator and
Rotor.Stator includes the outer magnetic core 21 of motor, is installed to the and of the first end cap 31 of the outer two axial ends of magnetic core 21 of motor
Second end cap 41.The motor inner magnetic core 53 of rotor including rotating shaft 51, fixed to rotating shaft 51 etc..First end cap
31 and second the center of end cap 41 be respectively equipped with bearing block 33,43, the two ends of rotating shaft 51 pass through corresponding axle
Hold and be installed to bearing block 33,43, so that rotor can be relative to stator rotation.In a kind of scheme of replacement
In, using magnetic core outside motor 21 as rotor, it regard motor inner magnetic core 53 as stator.
Outer yoke portion 22 of the magnetic core 21 including ring-type of motor, some teeth 23 inwardly stretched out from yoke portion 22.Each
Tooth 23 has tooth body and the pole shoe 24 stretched out from tooth body end to tooth body both sides.Formed between adjacent teeth 23
Winding slot.The coiling in the way of centralized winding of stator winding 25, to corresponding tooth body, and is housed in corresponding
Winding slot.The pole shoe 24 of some teeth 23 surrounds a discontinuous inner ring；The diameter ID of inner ring and yoke portion
22 external diameter OD ratio is between 0.45 to 0.65.It is highly preferred that the diameter ID of inner ring is yoke portion 22
0.5 to 0.58 times of external diameter OD.
With reference to Fig. 3 and Fig. 4, motor inner magnetic core 53 is surround by the inner ring of magnetic core outside motor 21, including central part
54th, around some pole portions 56 in the outside of central part 54, some first connecting portions 58 and some second connections
Portion 59.Consecutive roots portion 56 is to be spaced apart, and there is gap between each pole portion 56 and central part 54 is used to load
Permanent magnet 55.Each first connecting portion 58 is connected between two pole portion 56；Each second connecting portion 59 connects
It is connected between corresponding first connecting portion 58 and central part 54.First connecting portion 58 and second connecting portion 59
All be banding, second connecting portion 59 be connected to the middle part of first connecting portion 58 so as to the shape of first connecting portion 58
It is T-shaped.
The outer surface in some pole portions 56 is on same periphery, and the outer surface of first connecting portion 58 is in circumference
Outside face.
In the present embodiment, permanent magnet 55 is sheet, is installed to the seam between each pole portion 56 and central part 54
Gap, each pole portion 56 corresponds to one piece of permanent magnet 55 being arranged in gap respectively.Every piece of permanent magnet 55 along
The radial polarised of motor inner magnetic core 53, so that in the corresponding outer surface of pole portion 56 formation N poles or S poles,
And each pole portion 56 of motor inner magnetic core 53 is formed N poles, the S poles of alternating polarity.Each pole portion 56
The corresponding electrical angles of central angle θ are between 110 degree to 150 degree.There are 4 magnetic for motor inner magnetic core 53
The motor of pole, electrical angle is equal to twice of mechanical angle, i.e. central angle θ mechanical angle is at 55 degree to 75 degree
Between.
Preferably, the corresponding electrical angles of central angle θ in each pole portion 56 are between 120 degree to 135 degree.
In the present embodiment, the length D1 of first connecting portion 58 be the length D2 of second connecting portion 59 3 to
6 times.Preferably, the length D1 of first connecting portion 58 is the 4 to 5 of the length D2 of second connecting portion 59
Times.
With reference to Fig. 5 and Fig. 6, the corresponding electrical angles of central angle θ in each pole portion 56 are 125 degree of situation
Under, magnetic dispersion is less.Fig. 6 shown in the outer air gap between magnetic core 21 and motor inner magnetic core 53 of motor,
With a pair of corresponding magnetic circuits of magnetic pole (that is, correspondence 180 degree mechanical angle in 360 degree electrical angles, the present embodiment)
Density Distribution.It can be seen that, most of magnetic line of force all passes through stator tooth, and few part is missed by pole shoe.
With reference to Fig. 7, the second end cap 41 of the motor includes main part 42, is formed at the center of main part 42
Bearing block 43, some open tubular columns 46 for taking shape in main part 42 etc..It is each hollow with reference to Fig. 7 and Fig. 2
Post 46 is extend into the winding slot of the outer magnetic core 21 of motor, can play installation positioning action.Also, open tubular column
46 have through hole 47, and the through hole 34 of the end cap 31 of through hole 47 and first can be passed through by connectors such as screw rods
(see Fig. 2), so that axially by magnetic core 21 outside the first end cap 31, the banding of the second end cap 41 to motor
Two shaft ends.
In addition, with reference to Fig. 2, one end of rotating shaft 51 is also equipped with air flow-producing device 81, the gas stream generation apparatus
Put with some blades 82.During motor operation, rotating shaft 51 drives air flow-producing device 81 to rotate, blade 82
Produce air-flow.The air-flow can be along motor axially across motor.Specifically, with reference to Fig. 7, the second end cap
41 have some air inlets 44, and air-flow enters after motor internal from air inlet 44, can be along magnetic outside motor
Winding slot, the outer gap between magnetic core 21 and motor inner magnetic core 53 of motor of core 21 etc. flow to the first end cap 31,
And come out by the gas outlet 34 (see Fig. 1) of the first end cap 31, so as to help motor radiating.
It should be pointed out that for the person of ordinary skill of the art, not departing from present inventive concept
Under the premise of, various modifications and improvements can be made is such as combined to the different characteristic in each embodiment
Deng these belong to protection scope of the present invention.
Claims (14)
1. magnetic core (21) and motor inner magnetic core (53) outside a kind of motor, including the motor that can be relatively rotated,
It is characterized in that：
The outer magnetic core (21) of the motor includes：
The yoke portion (22) of ring-type；
Some teeth (23) inwardly stretched out from the yoke portion (22), each tooth (23) have tooth body with
And the pole shoe (24) stretched out from tooth body end to tooth body both sides, the pole shoe (24) of some teeth (23)
Surround a discontinuous inner ring；The diameter (ID) of the inner ring and the external diameter of the yoke portion (22)
(OD) ratio is between 0.45 to 0.65；
The motor inner magnetic core (53) is surround by the inner ring, including：
Central part (54)；
Some pole portions (56) on the outside of the central part (54) are looped around, between consecutive roots portion (56)
Separate, there is gap between each pole portion (56) and central part (54) is used to load permanent magnet；
Some first connecting portions (58), each first connecting portion (58) is connected to two pole portion (56)
Between；And
Some second connecting portions (59), each second connecting portion (59) is connected to corresponding first connection
Between portion (58) and central part (54).
2. motor as claimed in claim 1, it is characterised in that the outer magnetic core (21) of the motor is used as electricity
Machine stator, the motor inner magnetic core (53) is used as rotor.
3. motor as claimed in claim 1, it is characterised in that the motor also include the first end cap (31),
Second end cap (41) and connector, first end cap (31) and the second end cap (41) are respectively mounted
The two ends of magnetic core (21) outside to the motor；Second end cap (41) has the open tubular column (46) of axial direction
In the winding slot formed between the tooth (23) for reaching the outer magnetic core (21) of the motor；The connector is passed through
The through hole (47) of the open tubular column (46) is simultaneously tight by first end cap (31) and the second end cap (41)
It is affixed to the two ends of the outer magnetic core (21) of the motor.
4. motor as claimed in claim 1, it is characterised in that the rotating shaft (51) of motor is provided with air-flow
Generation device (81), the air flow-producing device (81) forms air-flow, the air-flow stream in motor operation
Cross the outer air gap between magnetic core (21) and motor inner magnetic core (53) of the motor.
5. a kind of motor inner magnetic core, it is characterised in that including：
Central part (54)；
Around some pole portions (56) of the central part (54), consecutive roots portion (56) are to be spaced apart, each
There is gap between pole portion (56) and central part (54) is used to load permanent magnet；
Some first connecting portions (58), each first connecting portion (58) is connected between two pole portion (56)；
And
Some second connecting portions (59), each second connecting portion (59) is connected to corresponding first connecting portion (58)
Between central part (54).
6. motor inner magnetic core as claimed in claim 5, it is characterised in that some pole portions (56)
Outer surface is on same periphery, and the outer surface of the first connecting portion (58) is outside the periphery.
7. motor inner magnetic core as claimed in claim 5, it is characterised in that some pole portions (56)
Outer surface is on same periphery, and the corresponding electrical angle of central angle (θ) of each pole portion (56) is 110
Spend between 150 degree.
8. motor inner magnetic core as claimed in claim 7, it is characterised in that the center of circle in each pole portion (56)
The corresponding electrical angle in angle (θ) is between 120 degree to 135 degree.
9. motor inner magnetic core as claimed in claim 5, it is characterised in that the first connecting portion (58)
Length (D1) be 3 to 6 times of length (D2) of second connecting portion (59).
10. motor inner magnetic core as claimed in claim 9, it is characterised in that the first connecting portion (58)
Length (D1) be 4 to 5 times of length (D2) of second connecting portion (59).
11. motor inner magnetic core as claimed in claim 5, it is characterised in that the first connecting portion (58)
All it is banding with second connecting portion (59), second connecting portion (59) is connected to the first connecting portion (58)
Middle part so as to the first connecting portion (58) formation T-shaped.
12. a kind of outer magnetic core of motor, it is characterised in that including：
The yoke portion (22) of ring-type；
Some teeth (23) inwardly stretched out from the yoke portion (22), each tooth (23) have tooth body and from
The pole shoe (24) that tooth body end is stretched out to tooth body both sides, the pole shoe (24) of some teeth (23) surrounds one
Individual discontinuous inner ring；The diameter (ID) of the inner ring is the 0.45 of the external diameter (OD) of the yoke portion (22)
To 0.65 times.
13. the outer magnetic core of motor as claimed in claim 12, it is characterised in that the diameter (ID) of the inner ring
It is 0.5 to 0.58 times of the external diameter (OD) of the yoke portion (22).
14. the outer magnetic core of motor as claimed in claim 12, it is characterised in that the footpath of the yoke portion (22)
It is 0.45 to 0.65 times of the circumferential width (W1) of the tooth body to width (W2).
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610025031.1A CN106972653A (en) | 2016-01-14 | 2016-01-14 | Motor and its outer magnetic core, inner magnetic core |
| DE102017100014.3A DE102017100014A1 (en) | 2016-01-14 | 2017-01-02 | Motor and outer magnetic core and inner magnetic core of the same |
| JP2017004797A JP2017153346A (en) | 2016-01-14 | 2017-01-16 | Motor, and outer magnetic core and inner magnetic core thereof |
| US15/407,649 US20170207669A1 (en) | 2016-01-14 | 2017-01-17 | Motor And Outer Magnetic Core And Inner Magnetic Core Thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610025031.1A CN106972653A (en) | 2016-01-14 | 2016-01-14 | Motor and its outer magnetic core, inner magnetic core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106972653A true CN106972653A (en) | 2017-07-21 |
Family
ID=59256036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610025031.1A Pending CN106972653A (en) | 2016-01-14 | 2016-01-14 | Motor and its outer magnetic core, inner magnetic core |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20170207669A1 (en) |
| JP (1) | JP2017153346A (en) |
| CN (1) | CN106972653A (en) |
| DE (1) | DE102017100014A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109936229A (en) * | 2017-12-15 | 2019-06-25 | 德昌电机(深圳)有限公司 | Motor and its electric machine assembly |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11742710B2 (en) | 2018-11-29 | 2023-08-29 | Milwaukee Electric Tool Corporation | Rotor assembly for an electric motor |
| DE102019214322A1 (en) * | 2019-09-20 | 2021-03-25 | Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg | Stator of an electric motor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5061869A (en) * | 1987-04-01 | 1991-10-29 | United Technologies Electro Systems, Inc. | Motor housing structure |
| US20030080642A1 (en) * | 2001-09-05 | 2003-05-01 | Koyo Seiko Co., Ltd. | Brushless DC motor |
| CN101213720A (en) * | 2005-06-30 | 2008-07-02 | 斯佩尔汽车有限公司 | A rotor for an electrical machine |
| CN101379674A (en) * | 2006-02-02 | 2009-03-04 | 株式会社美姿把 | Electric power steering device |
| US20120119627A1 (en) * | 2010-11-15 | 2012-05-17 | James Ching Sik Lau | Electric motor |
| CN102859842A (en) * | 2010-03-31 | 2013-01-02 | 通力股份公司 | Electric Motor, Hoisting Machine And Elevator System |
| CN102931795A (en) * | 2011-08-11 | 2013-02-13 | 中山大洋电机制造有限公司 | Motor structure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100270100A1 (en) * | 2006-02-02 | 2010-10-28 | Hirotatsu Ikeno | Electric Power Steering Device |
| JP2012110213A (en) * | 2010-10-25 | 2012-06-07 | Asmo Co Ltd | Motor |
| GB201116109D0 (en) * | 2011-09-18 | 2011-11-02 | Univ City | Flywheel assembly |
| CN103999329B (en) * | 2011-12-26 | 2016-08-24 | 三菱电机株式会社 | The rotor of permanent magnet embedded-type electric motivation and use its compressor, aerator and refrigerating air conditioning device |
| JP5774081B2 (en) * | 2013-12-09 | 2015-09-02 | 三菱電機株式会社 | Rotating electric machine |
| WO2015182509A1 (en) * | 2014-05-30 | 2015-12-03 | 日立工機株式会社 | Electric tool |
-
2016
- 2016-01-14 CN CN201610025031.1A patent/CN106972653A/en active Pending
-
2017
- 2017-01-02 DE DE102017100014.3A patent/DE102017100014A1/en not_active Withdrawn
- 2017-01-16 JP JP2017004797A patent/JP2017153346A/en not_active Abandoned
- 2017-01-17 US US15/407,649 patent/US20170207669A1/en not_active Abandoned
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5061869A (en) * | 1987-04-01 | 1991-10-29 | United Technologies Electro Systems, Inc. | Motor housing structure |
| US20030080642A1 (en) * | 2001-09-05 | 2003-05-01 | Koyo Seiko Co., Ltd. | Brushless DC motor |
| CN101213720A (en) * | 2005-06-30 | 2008-07-02 | 斯佩尔汽车有限公司 | A rotor for an electrical machine |
| CN101379674A (en) * | 2006-02-02 | 2009-03-04 | 株式会社美姿把 | Electric power steering device |
| CN102859842A (en) * | 2010-03-31 | 2013-01-02 | 通力股份公司 | Electric Motor, Hoisting Machine And Elevator System |
| US20120119627A1 (en) * | 2010-11-15 | 2012-05-17 | James Ching Sik Lau | Electric motor |
| CN102931795A (en) * | 2011-08-11 | 2013-02-13 | 中山大洋电机制造有限公司 | Motor structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109936229A (en) * | 2017-12-15 | 2019-06-25 | 德昌电机(深圳)有限公司 | Motor and its electric machine assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| US20170207669A1 (en) | 2017-07-20 |
| DE102017100014A1 (en) | 2017-07-20 |
| JP2017153346A (en) | 2017-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8890389B2 (en) | Electric motor | |
| WO2009057467A1 (en) | Rotary electric machine and drive controller | |
| CN102005858B (en) | Brushless dual-blade heterodromously-driven permanent-magnet wind generator | |
| CN102801264A (en) | Permanent magnet laminated motor | |
| CN106169819A (en) | Monophase machine, fluid generating device and electric equipment | |
| CN106451967B (en) | Motor | |
| CN106487187A (en) | Electric machine and the hair-dryer using this motor | |
| CN106972653A (en) | Motor and its outer magnetic core, inner magnetic core | |
| US20110049902A1 (en) | Air cooled brushless wind alternator | |
| CN106787573B (en) | The brush-commutated electric DC motor in the two poles of the earth | |
| KR101312720B1 (en) | Motor device forming air path to motor inside | |
| CN105634234B (en) | A kind of brushless DC tachometer generator | |
| CN202309463U (en) | Permanent magnet rotating DC motor | |
| CN106655546A (en) | Brushless DC generator and power generation technology | |
| KR101312721B1 (en) | Motor device improving fan structure of cooling fan | |
| CN202840876U (en) | Permanent magnet laminated motor | |
| WO2011000283A1 (en) | Outer-rotation type bi-directional rotation power generating equipment | |
| CN204993000U (en) | Single phase motor , air current production device and dust catcher, hand dryer, hair -dryer | |
| CN210744861U (en) | Column type coreless motor | |
| CN208862719U (en) | A kind of novel brushless slotless high-speed permanent magnetic direct current generator | |
| CN208424158U (en) | Electric machine | |
| Kragten | Ideas about a direct drive 34-pole permanent magnet generator for the VIRYA-3.3 S windmill using the stator stamping of an Indian 6-pole, 3-phase, 2.2 kW asynchronous motor frame size 112 and 51 neodymium magnets size 40* 10* 5 mm, May 2014, reviewed December 2014, free public report KD 560, engineering office Kragten Design | |
| CN101373916B (en) | Disk type rotor motor | |
| CN211209391U (en) | Electric pick rotor-stator structure with concentric windings | |
| US11509195B2 (en) | Column type coreless motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170721 |